//
//  ViewController.swift
//  test
//
//  Created by 吴宜昊 on 2019/8/5.
//  Copyright © 2019 吴宜昊. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        let s = "111"
        let s2 = "2222"
        let s3 = "3333"
        let s4 = "4444"
    }


}

